| Shipping | Tax | Terms Shopping Cart 0 Items Request for Quote 0 Items All Categories > Flow Thermal > VA 521 Compact Inline Flowmeters for Compressed Air and Other Types of Gas > Item # 0696 0521 A4 Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # 0696 0521 A4, VA 521 G 1 Inch (in) Thread Size Compact Inline Flowmeter Web Price QUOTE No inlet section necessary - integrated flow straightener - sensor unit removableThe newly developed VA 521 combines modern digital interfaces for connection to energy monitoring systems with a small, compact design. The VA 521 is always used when many machines (compressed air consumers) are to be integrated into an energy monitoring network.Readout values in the display can be rotated by 180º, e.g. for overhead installationThe sensor can be removed from the measuring section and cleaned. larger image larger image Financing · Specifications · Measuring Range · Display Shows 2 Values at the Same Time · Screw-In Thread · Advantages at a Glance · With a Key Stroke Financing Approve Payments Finance with Approve Payments Specifications Parameters m³/h, CFM (1000 mbar, 20 ºC) in case of compressed air or Nm³/h, Nl/min (1013 mbar, 0 ºC) in case of gases Units Adjustable Via Keys at Display CFM ft/min g/s kg/h kg/min l/s lb/h lb/min m/s m³/h m³/min Sensor Thermal Mass Flow Sensor Measured Medium Air Gases Gas Types are Adjustable Over CS Service Software or CS Data Logger Air Argon CO2 Nitrogen Oxygen Accuracy ± 0.3% of Full Scale (F.S.) ± 1.5% of Measured Value (M.V.) Accuracy on Request ± 1.0% of Measured Value (M.V.) ± 0.3% of Full Scale (F.S.) Operating Temperature -22 to 176 ºF Operating Temperature with Pressure Sensor -25 to 349 ºF Operating Pressure Up to 232 psi Optional Pressure Up to 580 psi Digital Output Modbus-Remote Terminal Unit (RTU) RS 485 Interface Optional Digital Output Ethernet Interface M-Bus Power over Ethernet (PoE) Analog Output for Cubic Feet Per Minute (CFM) 4 to 20 mA Pulse Output 1 pulse per CF or per liter electrically isolated. Pulse weight can be set on the display. Alternatively, the pulse output can be used as an alarm relay. Direct Current (DC) Supply Voltage 18 to 36 V Power Supply 5 W Burden <500 Ω Housing Material Polycarbonate Protection Rating Ingress Protection (IP 65) Material Aluminum Stainless Steel 316L Mounting Position Any Measuring Range Measuring Section DN25 Thread Size G 1 in. Measuring Range Full Scales 290 m³/h170 ft³/min Dimension L 135 mm Dimension B 55 mm Dimension H1 50 mm Dimension H 109.65 mm Dimension A1 33 mm Dimension A 25 mm Note for Measuring Range Flow measuring ranges VA 521 (max version 185 m/s) for compressed air (ISO 1217:1000 mbar, 20 ºC)Measuring ranges for other types of gas. Display Shows 2 Values at the Same Time Display Shows 2 Values at The Same Time Present flow in, CFM, l/min/m³/minTotal consumption (counter reading) in CF, l, kgTemperature measurement Screw-In Thread Screw-In Thread Easy installation into the existing pipe due to integrated measuring section (suitable for 1/2", 3/4", 1", 1 1/4", 1 1/2" or 2" lines) Advantages at a Glance Compact, small design - for use in machines, behind maintenance unit on the end userAll interfaces are freely programmable via the displayModbus-RTU output4 to 20 mA analog output for present flowPulse output total flow (counter reading), electrically isolated. Optional: M-Bus, Ethernet interface or PoENew: Integrated pressure sensor (optional) With a Key Stroke Reset counter readingSelect unitsParameterise interfaces DOWNLOADS Datasheet for VA 521 Compact Inline Flowmeters for Compressed Air and Other Types of Gas (PDF, 481KB) Maintain Your Air Compressor Learn more about maintaining your air compressor by downloading our eBook on air compressor maintenance. Download eBook